Feeding dogs 'human-grade' food might make them poop less Feb 5, 2021 12:15 pm by GizmodoIllinois in the News Share on Facebook Tweet Email Images Gizmodo (Sydney, Feb. 4) 'Of all the diet formats we tested over the years, these human-grade foods have been the most digestible,' says Kelly Swanson, a nutrition scientist at the U. of I. 'Over 90% of what was consumed was digested and absorbed.' Share on Facebook Tweet Email